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Finding the Fourth Proportional to 196,772.40, 295,158.60 and 133,786.80

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Solution

The fourth proportional to 196,772.40, 295,158.60 and 133,786.80 is: 200,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,772.40 : 295,158.60 = 133,786.80 : x
  2. Step 2: Convert to fraction form
    196,772.40/295,158.60 = 133,786.80/x
  3. Step 3: Cross multiply
    196,772.40x = 295,158.60 × 133,786.80
  4. Step 4: Simplify right side
    196,772.40x = 39,488,324,586.48
  5. Step 5: Solve for x
    x = 39,488,324,586.48/196,772.40
  6. Step 6: Final answer
    x = 200,680.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.